Finding the Third Proportional to 12,198,306 and 16,262,172

Step by Step Solution

1. Step 1: Write the proportion equation
   12,198,306 : 16,262,172 = 16,262,172 : x
2. Step 2: Convert to fraction form
   12,198,306/16,262,172 = 16,262,172/x
3. Step 3: Cross multiply
   12,198,306x = 16,262,172 × 16,262,172
4. Step 4: Simplify right side
   12,198,306x = 264,458,238,157,584
5. Step 5: Solve for x
   x = 264,458,238,157,584/12,198,306
6. Step 6: Final answer
   x = 21,679,915.08